start.ps1

$ErrorActionPreference = "Stop"
Set-Location $PSScriptRoot

$python = $null
foreach ($candidate in @("py", "python3", "python")) {
    try {
        if ($candidate -eq "py") {
            & py -3 -c "import sys; raise SystemExit(sys.version_info < (3, 11))" 2>$null
            if ($LASTEXITCODE -eq 0) { $python = @("py", "-3"); break }
        } else {
            & $candidate -c "import sys; raise SystemExit(sys.version_info < (3, 11))" 2>$null
            if ($LASTEXITCODE -eq 0) { $python = @($candidate); break }
        }
    } catch {}
}

if (-not $python) {
    throw "Operra requires Python 3.11 or newer. Install it from https://www.python.org/downloads/"
}

if (-not (Test-Path ".venv\Scripts\python.exe")) {
    Write-Host "Creating Operra's local Python environment..."
    if ($python.Length -gt 1) {
        & $python[0] $python[1] -m venv .venv
    } else {
        & $python[0] -m venv .venv
    }
}

$venvPython = ".venv\Scripts\python.exe"
$hash = (Get-FileHash requirements.txt -Algorithm SHA256).Hash.ToLowerInvariant()
$stamp = ".venv\.operra-requirements"
$installed = if (Test-Path $stamp) { (Get-Content $stamp -Raw).Trim() } else { "" }
if ($hash -ne $installed) {
    Write-Host "Installing Operra dependencies..."
    & $venvPython -m pip install --disable-pip-version-check -r requirements.txt
    Set-Content -Path $stamp -Value $hash
}

if (-not $env:OPERRA_HOME) {
    $env:OPERRA_HOME = Join-Path $env:USERPROFILE "Operra"
}
$port = if ($env:PORT) { $env:PORT } else { "8848" }
New-Item -ItemType Directory -Force -Path $env:OPERRA_HOME | Out-Null
Write-Host "Operra is ready: http://127.0.0.1:$port"
Write-Host "Workspace: $env:OPERRA_HOME"
Write-Host "Press Ctrl+C to stop."
& $venvPython -m uvicorn app.api.server:app --host 127.0.0.1 --port $port --log-level warning